Finding the Fourth Proportional to 11,082,614.06, 15,293,862.55 and 6,187,919.47
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Solution
The fourth proportional to 11,082,614.06, 15,293,862.55 and 6,187,919.47 is: 8,539,247.99
Step by Step Solution
- Step 1: Write the proportion equation
11,082,614.06 : 15,293,862.55 = 6,187,919.47 : x - Step 2: Convert to fraction form
11,082,614.06/15,293,862.55 = 6,187,919.47/x - Step 3: Cross multiply
11,082,614.06x = 15,293,862.55 × 6,187,919.47 - Step 4: Simplify right side
11,082,614.06x = 94,637,189,814,149.09 - Step 5: Solve for x
x = 94,637,189,814,149.09/11,082,614.06 - Step 6: Final answer
x = 8,539,247.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.